[INFO] updating cached repository MindFlavor/prometheus_exporter_base
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MindFlavor/prometheus_exporter_base
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_exporter_base" "work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MindFlavor/prometheus_exporter_base" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_exporter_base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_exporter_base'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e7bb9c93c2d1e23e4b04b4a1f61e1dffaf15b77
[INFO] sha for GitHub repo MindFlavor/prometheus_exporter_base: 3e7bb9c93c2d1e23e4b04b4a1f61e1dffaf15b77
[INFO] validating manifest of MindFlavor/prometheus_exporter_base on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MindFlavor/prometheus_exporter_base on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MindFlavor/prometheus_exporter_base
[INFO] finished frobbing MindFlavor/prometheus_exporter_base
[INFO] frobbed toml for MindFlavor/prometheus_exporter_base written to work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base/Cargo.toml
[INFO] started frobbing MindFlavor/prometheus_exporter_base
[INFO] finished frobbing MindFlavor/prometheus_exporter_base
[INFO] frobbed toml for MindFlavor/prometheus_exporter_base written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MindFlavor/prometheus_exporter_base/Cargo.toml
[INFO] crate MindFlavor/prometheus_exporter_base already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing MindFlavor/prometheus_exporter_base against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e4193a48cfd0589b8bbc71663586b5ffe3e41c3e09fd53f65b3a07197229be11
[INFO] running `"docker" "start" "-a" "e4193a48cfd0589b8bbc71663586b5ffe3e41c3e09fd53f65b3a07197229be11"`
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling hyper-rustls v0.16.1
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.28s
[INFO] running `"docker" "inspect" "e4193a48cfd0589b8bbc71663586b5ffe3e41c3e09fd53f65b3a07197229be11"`
[INFO] running `"docker" "rm" "-f" "e4193a48cfd0589b8bbc71663586b5ffe3e41c3e09fd53f65b3a07197229be11"`
[INFO] [stdout] e4193a48cfd0589b8bbc71663586b5ffe3e41c3e09fd53f65b3a07197229be11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d7a507733a18338f46d6d3514da80cc9bb31d46b2775ccb4415582b99c4b8dc
[INFO] running `"docker" "start" "-a" "4d7a507733a18338f46d6d3514da80cc9bb31d46b2775ccb4415582b99c4b8dc"`
[INFO] [stderr]    Compiling prometheus_exporter_base v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         ) -> Box<Future<Item = String, Error = failure::Error> + Send + 'static>
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = String, Error = failure::Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `"docker" "inspect" "4d7a507733a18338f46d6d3514da80cc9bb31d46b2775ccb4415582b99c4b8dc"`
[INFO] running `"docker" "rm" "-f" "4d7a507733a18338f46d6d3514da80cc9bb31d46b2775ccb4415582b99c4b8dc"`
[INFO] [stdout] 4d7a507733a18338f46d6d3514da80cc9bb31d46b2775ccb4415582b99c4b8dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MindFlavor/prometheus_exporter_base:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c3bccfdad942c2a7116a3eb664b9af98c8dbe13ff191dfc96e7c05dfae0d4262
[INFO] running `"docker" "start" "-a" "c3bccfdad942c2a7116a3eb664b9af98c8dbe13ff191dfc96e7c05dfae0d4262"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_exporter_base-daf9a8c3171a5858
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test render_to_prometheus::tests::test_no_attributes ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_header ... ok
[INFO] [stdout] test render_to_prometheus::tests::test_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus_exporter_base
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/render_to_prometheus.rs - render_to_prometheus::PrometheusCounter::render_counter (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3bccfdad942c2a7116a3eb664b9af98c8dbe13ff191dfc96e7c05dfae0d4262"`
[INFO] running `"docker" "rm" "-f" "c3bccfdad942c2a7116a3eb664b9af98c8dbe13ff191dfc96e7c05dfae0d4262"`
[INFO] [stdout] c3bccfdad942c2a7116a3eb664b9af98c8dbe13ff191dfc96e7c05dfae0d4262